43231 is a postalcode and its consensus geometry is derived from uszcta.
{"mz:is_ceased":0,"geom:latitude":40.079217,"wof:name":"43231","counts:names_total":0,"wof:placetype":"postalcode","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102080969,"localadmin_id":404524511,"locality_id":101712419,"postalcode_id":554720441,"region_id":85688485}],"mz:is_deprecated":0,"lbl:latitude":40.079392,"mz:postal_locality_alt":["Westerville"],"geom:area":0.001187,"geom:longitude":-82.938953,"wof:id":554720441,"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1611185455,"wof:belongsto":[102191575,85633793,102080969,404524511,101712419,85688485],"wof:concordances":{"gp:id":"12776223"},"wof:repo":"whosonfirst-data-postalcode-us","src:geom":"uszcta","wof:country":"US","counts:names_preferred":0,"geom:area_square_m":1.1233116633407E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","counts:names_languages":0,"geom:bbox":"-82.956895,40.056054,-82.91821,40.110879","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-82.936858,"wof:geomhash":"cee06407b0bc7205962b683751865e1b","wof:parent_id":101712419,"wof:placetype_names":["postalcode"],"mz:hierarchy_label":1,"wof:placetype_id":470996387,"edtf:cessation":"uuuu","mz:postal_locality":"Columbus"}